Cellulose eterahana ʻia mai ka cellulose e ka hopena etherification me hoʻokahi a i ʻole kekahi mau mea etherification a me ka wili maloʻo. Wahi a nā ʻano kemika ʻokoʻa o nā mea pani ether, hiki ke hoʻokaʻawale ʻia nā cellulose ethers i nā anionic, cationic, a me nā ethers non ionic. ʻO nā ethers cellulose Ionic ka nui o nā carboxymethyl cellulose ethers (CMC); ʻO nā ethers cellulose non ionic ka nui o ka methyl cellulose ether (MC), hydroxypropyl methyl cellulose ether (HPMC), a me ka hydroxyethyl cellulose ether (HC). Hoʻokaʻawale hou ʻia nā ethers non ionic i nā eter hiki ke hoʻoheheʻe ʻia i ka wai a me nā eter hiki ke hoʻoheheʻe ʻia i ka aila, a hoʻohana nui ʻia i nā huahana mortar. Ma ke alo o ka calcium ions, ʻaʻole paʻa ka ionic cellulose ether, no laila ʻaʻole i hoʻohana ʻia i nā huahana mortar maloʻo me ka hoʻohana ʻana i ka cement, hydrated lime, a me nā mea cementitious. Hoʻohana nui ʻia nā cellulose ethers non ionic water-soluble i ka ʻoihana hale kūkulu ma muli o ko lākou paʻa paʻa ʻana a me nā waiwai paʻa wai.
1. Nā waiwai kemika o ka cellulose ether
ʻO kēlā me kēia cellulose etherLoaʻa iā ia ke ʻano kumu o ka cellulose - ke ʻano glucose dehydrated. I ke kaʻina hana o ka cellulose ether, ua hoʻomehana mua ʻia nā fibers cellulose i kahi hopena alkaline, a laila mālama ʻia me nā mea etherification. Hoʻomaʻemaʻe ʻia nā huahana fibrous reaction a hoʻoheheʻe ʻia e hana i kahi pauka like ʻole me kahi ʻano maikaʻi.
I ka wā o ka hana ʻana o MC, hoʻohana wale ʻia ka methane chloride ma ke ʻano he etherifying agent; Ma waho aʻe o ka hoʻohana ʻana i ka methane chloride i ka hana ʻana oHPMC, Hoʻohana pū ʻia ka epoxy propylene no ka loaʻa ʻana o nā mea pani hydroxypropyl. He ʻokoʻa ka methyl a me ka hydroxypropyl eter o nā cellulose eter, e pili ana i ka solubility organik o ka solution cellulose ether a me ka mahana gel thermal a me nā waiwai ʻē aʻe.
2. Nā hiʻohiʻona hoʻohana o cellulose ether
Cellulose eterahe polymer semi synthetic non ionic me ka wai-soluble a me ka solvent-based properties, a ʻokoʻa kona hopena ma nā ʻoihana like ʻole. No ka laʻana, i nā mea hale kemika, loaʻa iā ia nā hopena composite penei:
① Mea mālama wai ② Mānoanoa ③ Waiwai pae ④ Mea hana kiʻiʻoniʻoni ⑤ Paʻa
I kaPVCʻoihana, he emulsifier a me ka dispersant; I ka ʻoihana lāʻau lapaʻau, ʻo ka cellulose kahi ʻano mea hoʻopaʻa a hoʻokuʻu lohi, a no ka mea he nui nā hopena composite, ʻo kāna mau kahua noi ka mea nui loa. Ma lalo nei, e nānā mākou i nā ʻano hoʻohana a me nā hana o ka cellulose ether i nā ʻano mea hale.
(1) Ma ka pena latex:
I ka ʻoihana pena latex, pono e kohohydroxyethyl cellulose. ʻO ka kikoʻī maʻamau no ka viscosity like ʻo RT30000-5000cps, e pili ana i ka kikoʻī HBR250. ʻO ka helu kuhikuhi ma kahi o 1.5 ‰ -2 ‰. ʻO ka hana nui o ka hydroxyethyl i ka pena latex ka mānoanoa, ka pale ʻana i ka gel pigment, ka hāʻawi ʻana i ka dispersion pigment, ka paʻa ʻana o ka latex, ka hoʻomaikaʻi ʻana i ka viscosity o nā ʻāpana, a me ka hāʻawi ʻana i ka hana pae o ka hana: hydroxyethyl cellulose maʻalahi e hoʻohana, hiki ke hoʻoheheʻe ʻia i loko. ka wai anuanu a me ka wai wela, a ʻaʻole pili i ka waiwai PH. Hiki ke hoʻohana maluhia ma waena o ka waiwai PI 2-12. Hoʻohana ʻia nā ʻano hana ʻekolu: I Hoʻohui pololei i ka hana ʻana: Pono kēia ʻano hana e koho i ka hydroxyethyl cellulose ʻano lohi, me ka manawa hemo ʻoi aku ma mua o 30 mau minuke. Penei nā ʻanuʻu o ka hoʻohana ʻana: ① E hoʻokomo i ka nui o ka wai maʻemaʻe i loko o ka pahu i hoʻolako ʻia me kahi mea hoʻonā kiʻekiʻe; ② E hoʻomaka i ka hoʻoulu ʻana me ka wikiwiki haʻahaʻa me ka ʻole o ka pau ʻana, I ka manawa like, e hoʻohui mālie a me ka like ʻole o ka hydroxyethyl i ka hopena. ③ E hoʻomau i ka hoʻoulu ʻana a pulu nā mea ʻāpana. ④ Hoʻohui i nā mea hoʻohui a me nā mea hoʻohui alkaline. ⑤ E hoʻoulu a pau loa ka hydroxyethyl. A laila e hoʻohui i nā ʻāpana ʻē aʻe i loko o ke ʻano a wili a hiki i ka huahana pau. II. Ka hoʻomākaukau ʻana i ka waiʻona makuahine no ka hoʻohana ʻana: Hiki i kēia ʻano ke koho i ke ʻano koke a loaʻa ka hopena anti mold ma cellulose. ʻO ka pōmaikaʻi o kēia ʻano hana he hiki ke hoʻohui pono ʻia i ka pena latex. ʻO ke ʻano o ka hoʻomākaukau ʻana e like me nā ʻanuʻu ① a i ④. III. Ka hoʻomākaukau ʻana i nā mea e like me Congee no ka hoʻohana ʻana i ka wā e hiki mai ana: No ka mea ʻo nā mea hoʻoheheʻe organik he mau mea hoʻoheheʻe maikaʻi ʻole (inoluble) no ka hydroxyethyl, hiki ke hoʻohana ʻia kēia mau mea hoʻoheheʻe e hoʻomākaukau i nā mea like me Congee. ʻO ka mea hoʻoheheʻe organik i hoʻohana pinepine ʻia ʻo ia ka wai kūlohelohe i loko o ke ʻano pena emulsion, e like me ka ethylene glycol, propylene glycol a me ka mea hana kiʻiʻoniʻoni (e like me diethylene glycol butyl acetate). Hiki ke hoʻohui pono ʻia ka Congee like hydroxyethyl cellulose i ka pena, a laila hoʻomau i ka hoʻoulu ʻana a hiki i ka pau ʻana.
(2) I ka ʻoki ʻana i ka putty pā:
I kēia manawa, ua waiwai nui ʻia ka putty pili i ke kaiapuni i kū i ka wai a me ka holoi ʻana i ka hapa nui o nā kūlanakauhale ma Kina. I nā makahiki i hala iho nei, ma muli o ka hoʻokuʻu ʻia ʻana o ke kinoea formaldehyde mai ka putty i hana ʻia i ka hale adhesive, ka mea e hōʻino ai i ke olakino o ka poʻe, ua hoʻomākaukau ʻia ka hale paʻa e ka acetal reaction o polyvinyl alcohol a formaldehyde. No laila ke hoʻoneʻe ʻia nei kēia mea e ka poʻe, a ʻo ka mea pani no kēia mea ʻo ia nā huahana cellulose ether series, ʻo ia hoʻi ka hoʻomohala ʻana i nā mea hale pili i ke kaiapuni. ʻO Cellulose wale nō ka mea i loaʻa i kēia manawa. I loko o ka wai kūpaʻa putty, hiki ke hoʻokaʻawale ʻia i ʻelua ʻano: ka pauka maloʻo putty a me ka putty paste. ʻO ka maʻamau, koho ʻia ka methyl cellulose a me ka hydroxypropyl methyl e like me nā ʻano putty ʻelua, a ʻo ka kikoʻī viscosity ma waena o 30000-60000 cps. ʻO ka hana nui o ka cellulose i ka putty ka mālama ʻana i ka wai, paʻa, a me ka lubricate. Ma muli o nā ʻano like ʻole o ka putty o nā mea hana like ʻole, he calcium hina, calcium māmā, sima keʻokeʻo, a me nā mea ʻē aʻe, ʻo ka pauka gypsum, calcium hina, calcium māmā, a me nā mea ʻē aʻe, nā kikoʻī, viscosity, a me ka nui infiltration o cellulose no ʻokoʻa nō hoʻi nā kumu hoʻohālike ʻelua, me ka nui o ka hoʻohui maʻamau ma kahi o 2 ‰ -3 ‰. I ke kūkulu ʻia ʻana o ka putty pā pōhaku, ma muli o ke kahe wai o ka ʻili kumu o ka pā (ʻo 13% ka nui o ka hoʻoheheʻe ʻana o ka wai o nā pā pōhaku lepo, a ʻo ka nui o ka hoʻoheheʻe ʻana o ka wai he 3-5%), hui pū me waho. ʻO ka hoʻoheheʻe ʻana, inā e emi koke ka wai o ka putty, e hana ia i nā māwae a i ʻole ka pauka ʻili, a pēlā e hoʻonāwaliwali ai ka ikaika o ka putty. No laila, ʻo ka hoʻohui ʻana i ka cellulose ether e hoʻoponopono i kēia pilikia. Eia nō naʻe, ʻo ka maikaʻi o ka mea hoʻopiha, ʻoi aku ka maikaʻi o ka calcium hina, he mea nui loa. Ma muli o ka viscosity kiʻekiʻe o ka cellulose, hoʻonui ia i ka buoyancy o ka putty, pale i ka sagging i ka wā o ke kūkulu ʻana, a ʻoi aku ka ʻoluʻolu a me ka mālama ʻana i ka hana. Pono e hoʻohui ʻia ka cellulose ether i loko o ka pauka putty i ka hale hana kūpono. ʻO kāna hana a me ka hoʻohana ʻana he mea maʻalahi ia, a hiki ke hoʻohui pū ʻia ka mea hoʻopiha a me nā mea hoʻohui me ka pauka maloʻo. Maikaʻi nō hoʻi ke kūkulu ʻia ʻana, a pili ka hāʻawi ʻana i ka wai ma ka pūnaewele i ka nui o ka hoʻohana ʻia.
(3) ʻO ka mīkini paʻakai:
I loko o ka mīkini palaki, e hoʻokō maoli i ka ikaika hope, pono e hoʻomaʻemaʻe loa i ka sima. ʻOi loa i ke kūkulu ʻana i ke kauwela, i ka wā e wikiwiki loa ai ka nalowale o ka wai o ka mīkini palaki, lawe ʻia nā ana hydration piha e mālama a kāpīpī i ka wai. Hoʻopilikia kēia ʻano hana i ka wai a me ka pilikia i ka hana ʻana, a ʻo ke kī ʻo ia wale nō ka wai ma luna o ka ʻili, ʻoiai ʻaʻole paʻa ka hydration o loko. No laila, ʻo ka hoʻonā i kēia pilikia:, ʻO ka hoʻohui ʻana i ʻewalu mau mea mālama wai cellulose i ka mortar concrete e koho maʻamau i ka hydroxypropyl methyl a i ʻole methyl cellulose, me nā kikoʻī viscosity mai 20000 a 60000 cps a me ka nui o ka 2% a 3%. A puni, hiki ke hoʻonui ʻia ka nui o ka mālama ʻana i ka wai ma luna o 85%. ʻO ke ʻano o ka hoʻohana ʻana i ka mīkini paʻakai, ʻo ia ka hui ʻana i ka pauka maloʻo me ka like a ninini i ka wai i loko o ka waha.
(4) I ke kāpili ʻana i ka gypsum, ka gypsum hoʻopaʻa, a me ka gypsum hoʻoheheʻe:
Me ka hoʻomohala wikiwiki ʻana o ka ʻoihana kūkulu, ke hoʻonui nei ka noi no nā mea kūkulu hale hou i kēlā me kēia lā. Ma muli o ka hoʻonui ʻana i ka ʻike o ka mālama ʻana i ke kaiapuni a me ka hoʻomau mau ʻana o ka hana ʻana o ke kūkulu ʻana, ua ulu wikiwiki nā huahana gypsum cementitious. I kēia manawa, ʻo nā huahana gypsum maʻamau ka gypsum plastering, gypsum hoʻopaʻa, gypsum i hoʻokomo ʻia, tile binder, a me nā mea ʻē aʻe. ʻO nā paia i hoʻohanaʻia no ka hamoʻana he maʻalahi a maʻalahi, me kaʻiliʻole i ka pauka a paʻa paʻa i ke kumu, me kaʻehaʻole a me kaʻiliʻana, a me ka hana pale ahi; ʻO ka gypsum paʻa he ʻano hou o ke kūkulu ʻana i ka papa kukui, i hana ʻia mai ka gypsum ma ke ʻano he kumu kumu a hoʻohui ʻia me nā mea hoʻohui ikaika. He kūpono ia no ka hoʻopaʻa ʻana ma waena o nā mea pā hale hale inorganic a loaʻa nā ʻano o ka mea ʻawaʻawa ʻole, ʻaʻala ʻole, ikaika mua, hoʻonohonoho wikiwiki, a me ka hoʻopaʻa ikaika. He mea kākoʻo ia no ke kūkulu ʻana i ka papa a me ke kūkulu ʻana i ka poloka; ʻO ka mea hoʻopihapiha hui ʻo Gypsum he mea hoʻopiha no nā āpau ma waena o nā papa gypsum, a me ka hoʻopihapiha hoʻopihapiha no nā paia a me nā māwae. ʻO kēia mau huahana gypsum he mau hana like ʻole. Ma waho aʻe o ka gypsum a me nā mea hoʻopihapiha pili, ʻo ka pilikia koʻikoʻi ʻo ka hoʻohui ʻia ʻana o ka cellulose ether additives i mea nui. Ma muli o ka hoʻokaʻawale ʻana o ka gypsum i ka gypsum anhydrous a me ka gypsum hemihydrate, ʻokoʻa nā ʻano like ʻole o ka gypsum i ka hana o ka huahana. No laila, ʻo ka mānoanoa, ka paʻa ʻana o ka wai, a me ka hoʻopaneʻe ʻana e hoʻoholo i ka maikaʻi o nā mea kūkulu hale gypsum. ʻO ka pilikia maʻamau me kēia mau mea ʻo ka hollowing a me ka haki ʻana, a ʻaʻole hiki ke loaʻa ka ikaika mua. No ka hoʻoponopono ʻana i kēia pilikia, pono e koho i ke ʻano hoʻohālike o ka cellulose a me ke ʻano hoʻohana composite o nā retarders. Ma kēiaʻano, kohoʻia ka methyl a iʻole ka hydroxypropyl methyl e like me 30000 a 60000 cps, me ka nui o ka 1.5% -2%. Ma waena o lākou, pili ka cellulose i kona paʻa ʻana i ka wai, hoʻopaneʻe, a me nā waiwai lubricating. Eia naʻe, ʻaʻole hiki ke hoʻohana i ka cellulose ether ma ke ʻano he retarder i kēia kaʻina hana, a pono e hoʻohui i ka citric acid retarder e hui a hoʻohana me ka ʻole o ka hoʻopili ʻana i ka ikaika mua. ʻO ka nui o ka paʻa ʻana o ka wai e pili ana i ka nui o ka wai maoli me ka ʻole o ka lawe ʻana i ka wai i waho. Inā maloʻo ka pā, ʻo ka hoʻoheheʻe ʻana o ka wai a me ka hoʻoheheʻe maoli ʻana o ka ʻili kumu ke kumu e nalowale wikiwiki ai ka wai, a laila e hoʻoheheʻe ʻia a haki. ʻO kēia ʻano hana no ka hui ʻana i ka pauka maloʻo. Inā hoʻomākaukau ʻoe i kahi hoʻonā, e ʻoluʻolu e nānā i ke ʻano hoʻomākaukau hoʻonā.
(5) ʻO ka mīkini hoʻokaʻawale
He ʻano hou o ka mea hoʻoheheʻe ʻia o ka paia i loko o ka ʻāpana ʻākau, ʻo ia ka mea paʻa i haku ʻia me nā mea hoʻolalelale, mortar, a me nā mea hoʻopili. He mea nui ka Cellulose i ka hoʻopaʻa ʻana a me ka hoʻonui ʻana i ka ikaika i kēia mea. ʻO ka maʻamau, koho ʻia ka methyl cellulose me ka viscosity kiʻekiʻe (ma kahi o 10000eps), a ʻo ke ʻano maʻamau ma waena o 2 ‰ -3 ‰. ʻO ke ʻano o ka hoʻohana ʻana ʻo ka hui ʻana i ka pauka maloʻo.
(6) Mea hoʻohana kikowaena
ʻO ka mea hoʻohana kikowaena ponoHPMC20000 cps, a ʻo ka mea hoʻopili no nā tile pono e ʻoi aku ma mua o 60000 cps. I loko o ka mea kikowaena interface, pono ke kau ʻana ma luna o ka mānoanoa mānoanoa, hiki ke hoʻomaikaʻi i ka ikaika tensile a me ka pale ʻana i ka pua. E noi i kahi mea hoʻopaʻa wai i ka hoʻopaʻa ʻana i nā tile e pale aku iā lākou mai ka hāʻule koke ʻana ma muli o ka pau ʻana o ka wai.
3. Kūlana kaulahao ʻoihana
(1) ʻOihana ma luna
ʻO nā mea maka nui e pono ai no ka hana ʻanacellulose eteraʻO ka pulupulu hoʻomaʻemaʻe (a i ʻole ka pulp lāʻau) a me kekahi mau mea hoʻoheheʻe kemika maʻamau, e like me ka epoxy propane, chloromethane, wai alkali, flake alkali, ethylene oxide, toluene, a me nā mea kōkua ʻē aʻe. ʻO nā ʻoihana ma luna o kēia ʻoihana e pili ana i ka pulupulu hoʻomaʻemaʻe a me nā ʻoihana hana pulp lāʻau, a me kekahi mau ʻoihana kemika. ʻO ka loli ʻana o nā kumukūʻai o nā kumu waiwai nui i ʻōlelo ʻia ma luna nei e loaʻa nā ʻano like ʻole o ka hopena i ke kumukūʻai hana a me ke kumukūʻai kūʻai aku o cellulose ether.
He kiʻekiʻe ke kumukūʻai o ka pulupulu hoʻomaʻemaʻe. ʻO ka lawe ʻana i nā mea hale hale cellulose ether ma ke ʻano he laʻana, i ka wā hōʻike, ʻo ka hapa o ke kumu kūʻai pulupulu hoʻomaʻemaʻe ʻia i ke kumukūʻai kūʻai aku o ke kumu kūʻai hale cellulose ether he 31.74%, 28.50%, 26.59%, a me 26.90%. ʻO ka loli o nā kumukūʻai pulupulu i hoʻomaʻemaʻe ʻia e pili i ke kumu kūʻai o cellulose ether. ʻO ka mea maka nui no ka hana ʻana i ka pulupulu hoʻomaʻemaʻe ʻia he pulupulu linter. ʻO ka pulupulu linter kekahi o nā huahana i loko o ke kaʻina hana pulupulu, hoʻohana nui ʻia no ka hana ʻana i nā huahana e like me ka pulupulu pulupulu, ka pulupulu hoʻomaʻemaʻe, a me ka nitrocellulose. He ʻokoʻa nui ka waiwai hoʻohana a me ka hoʻohana ʻana i ka pulupulu a me ka pulupulu, a ʻoi aku ka haʻahaʻa o ko lākou kumukūʻai ma mua o ka pulupulu, akā aia kekahi pilina me ka loli o nā kumukūʻai pulupulu. E pili ana ke kumukūʻai o ka pulupulu linter i ke kumukūʻai o ka pulupulu hoʻomaʻemaʻe.
ʻO ka loli nui o nā kumukūʻai pulupulu i hoʻomaʻemaʻe ʻia e loaʻa i nā pae like ʻole o ka hopena i ka mālama ʻana i nā kumukūʻai hana, ke kumu kūʻai huahana, a me ka loaʻa kālā o nā ʻoihana i kēia ʻoihana. I ka pōʻaiapili o nā kumukūʻai kiʻekiʻe no ka pulupulu hoʻomaʻemaʻe a me nā kumu kūʻai liʻiliʻi no ka pulp lāʻau, i mea e hōʻemi ai i nā kumukūʻai, hiki ke hoʻohana ʻia ka pulp lāʻau ma ke ʻano he pani a me ka hoʻohui ʻana no ka pulupulu hoʻomaʻemaʻe, ka mea nui no ka hana ʻana i nā cellulose ethers me ka haʻahaʻa haʻahaʻa e like me ka lāʻau lapaʻau a me ka meaʻai. papa cellulose ethers. Wahi a ka ʻikepili pūnaewele o ka National Bureau of Statistics, i ka makahiki 2013, ʻo 4.35 miliona mau ʻeka ka wahi kanu pulupulu o Kina, a ʻo ka hana pulupulu aupuni he 6.31 miliona tons. Wahi a ka ʻikepili helu o ka China Cellulose Industry Association, i ka makahiki 2014, ʻo ka huina o ka pulupulu i hoʻomaʻemaʻe ʻia e nā ʻoihana hoʻouluulu hoʻomaʻemaʻe nui i loko o ka home he 332000 tons, me ka lako o nā lako maka.
ʻO nā mea waiwai nui no ka hana ʻana i nā mea kemika e pili ana i ka graphite he kila a me ke kalapona graphite. ʻO ke kumukūʻai o ke kila a me ka graphite carbon account no ka hapa kiʻekiʻe o ke kumukūʻai hana o nā mea hana kemika graphite. ʻO ke kumukūʻai o kēia mau mea maka e loaʻa i kekahi hopena i ke kumukūʻai hana a me ke kumukūʻai kūʻai aku o nā mea hana kemika graphite.
(2) Ke kūlana o ka ʻoihana cellulose ether i lalo
Cellulose etera, ma ke ʻano he "monosodium glutamate industrial", he haʻahaʻa haʻahaʻa o nā mea hoʻohui a me ka nui o nā noi, me nā ʻoihana iho i hoʻopuehu ʻia i nā ʻoihana like ʻole o ka hoʻokele waiwai aupuni.
ʻO ka maʻamau, ʻo ka hana ʻana i lalo a me nā ʻoihana waiwai e loaʻa i kekahi hopena i ka piʻi ʻana o ka noi no ka hale kūkulu hale cellulose ether. Ke wikiwiki nei ka ulu ʻana o ka hale kūkulu hale a me nā ʻoihana waiwai, ke ulu wikiwiki nei ka noi no ke kūkulu ʻana i nā mea hana cellulose ether i ka mākeke kūloko. Ke lohi nei ka ulu ʻana o ka hale kūkulu hale a me nā ʻoihana waiwai, e lohi ka noi no ke kūkulu ʻana i ka cellulose ether ma ka mākeke kūloko, e hoʻoikaika i ka hoʻokūkū ma kēia ʻoihana a me ka wikiwiki i ke kaʻina o ke ola ʻana o nā ʻoihana i kēia ʻoihana. .
Mai ka makahiki 2012, i loko o ka pōʻaiapili o ka lohi o ka hale kūkulu hale a me nā ʻoihana waiwai, ʻaʻohe loli nui i ka noi no ke kūkulu ʻana i ka cellulose ether ma ka mākeke kūloko. ʻO nā kumu nui: ʻo ka mea mua, ʻo ka nui holoʻokoʻa o ka hale kūkulu hale a me nā ʻoihana waiwai he nui, a ʻo ka nui o ka noi ma ka mākeke; ʻO ka mākeke mea kūʻai nui no ke kūkulu ʻana i nā mea hana cellulose ether ua hoʻonui nui ʻia mai nā wahi i hoʻomohala ʻia i ka ʻoihana a me nā kūlanakauhale papa mua a me ka lua i ke kikowaena a me ke komohana a me nā kūlanakauhale ʻekolu, e hoʻonui ana i ka hiki a me ka wahi no ka ulu ʻana o ka noi home; 2、 ʻO ka hoʻohui ʻana o ka cellulose ether he haʻahaʻa haʻahaʻa o ke kumu kūʻai o nā mea kūkulu hale, a he liʻiliʻi ka nui i hoʻohana ʻia e ka mea kūʻai hoʻokahi. Hoʻopuehu ʻia nā mea kūʻai aku, hiki ke maʻalahi i ka koi paʻa. ʻO ka nui o ka noi ma ka mākeke o lalo he paʻa; 3、 ʻO ka hoʻololi ʻana i ke kumukūʻai makeke he mea koʻikoʻi e pili ana i ke ʻano koi o ke kūkulu ʻana i nā mea hana cellulose ether. Mai ka makahiki 2012, ua emi nui ke kumukūʻai o ka hale hale cellulose ether, e hoʻemi nui ana i nā kumukūʻai o nā huahana waena a hiki i nā huahana kiʻekiʻe, e huki ana i nā mea kūʻai aku e kūʻai a koho, e hoʻonui ana i ka noi no nā huahana waena a kiʻekiʻe, a ke kaomi ʻana i ka makemake o ka mākeke a me ke kumukūʻai o nā huahana kumu hoʻohālike maʻamau.
ʻO ka pae hoʻomohala a me ka ulu ʻana o ka ʻoihana lāʻau lapaʻau e pili i ka noi no ka lāʻau lapaʻau cellulose ether. ʻO ka hoʻomaikaʻi ʻana i ke kūlana ola o ka poʻe a me ka hoʻomohala ʻana o ka ʻoihana meaʻai e kūpono i ka hoʻokele ʻana i ka noi mākeke no ka meaʻai cellulose ether.
6. Ka ulu ana o ka cellulose ether
Ma muli o nā ʻokoʻa like ʻole o ka noi mākeke no ka cellulose ether, ua kū mai kahi kūlana kahi e hui pū ai nā ʻoihana me nā ikaika like ʻole. I ka pane ʻana i ka ʻokoʻa ʻokoʻa o ka mākeke o ka mākeke, ua hoʻohana nā mea hana cellulose ether home i nā hoʻolālā hoʻokūkū like ʻole e pili ana i ko lākou ikaika ponoʻī, ʻoiai e hopu pono ana i ke ʻano hoʻomohala a me ke kuhikuhi o ka mākeke.
(1) ʻO ka hōʻoia ʻana i ka paʻa ʻana o ka maikaʻi o ka huahana ke kumu hoʻokūkū koʻikoʻi no nā ʻoihana cellulose ether
Cellulose eterano ka hapa liʻiliʻi o nā kumukūʻai hana ma ka hapa nui o nā ʻoihana o lalo o kēia ʻoihana, akā he hopena koʻikoʻi i ka maikaʻi o ka huahana. Pono ka hui mea kūʻai kiʻekiʻe e hana i nā hoʻokolohua formula ma mua o ka hoʻohana ʻana i kekahi hōʻailona a me ke ʻano o ka cellulose ether. Ma hope o ka hoʻokumu ʻana i kahi ʻano paʻa, ʻaʻole maʻalahi ke hoʻololi i nā huahana mai nā hōʻailona ʻē aʻe, a kau ʻia nā koi kiʻekiʻe ma luna o ka paʻa o ka cellulose ether. ʻOi aku ke koʻikoʻi o kēia hanana i nā kula kiʻekiʻe e like me nā ʻoihana hana hale hale a me nā ʻāina ʻē aʻe, nā mea hoʻohui lāʻau lapaʻau, nā mea hoʻohui meaʻai, PVC, a me nā mea ʻē aʻe. Hiki ke mālama ʻia nā pūʻulu o ka cellulose ether i hoʻolako ʻia no ka manawa lōʻihi, i mea e hana ai i kahi inoa maikaʻi o ka mākeke.
(2) ʻO ka hoʻomaikaʻi ʻana i ke kiʻekiʻe o ka ʻenehana noi huahana ʻo ia ke kuhikuhi hoʻomohala o nā ʻoihana cellulose ether home
Me ka hoʻonui ʻana o ka ʻenehana hana o cellulose ether, ʻoi aku ka kiʻekiʻe o ka ʻenehana noi no nā ʻoihana e hoʻomaikaʻi i kā lākou hoʻokūkū piha a hoʻokumu i nā pilina mea kūʻai aku. Hoʻohana nui nā ʻoihana cellulose ether kaulana i nā ʻāina i kūkulu ʻia i kahi hoʻolālā hoʻokūkū o "ka huli ʻana i nā mea kūʻai aku kiʻekiʻe kiʻekiʻe a me ka hoʻomohala ʻana i nā noi a me ka hoʻohana ʻana".cellulose eteranā palapala noi a me ka hoʻohana ʻana, a me ka hoʻonohonoho ʻana i ka moʻo o nā huahana e like me nā māhele noi ʻokoʻa e hoʻomaʻamaʻa i ka hoʻohana ʻana o ka mea kūʻai aku, a me ka hoʻoulu ʻana i ka noi ma lalo o ka mākeke ma o kēia. Ua neʻe ka hoʻokūkū ma waena o nā ʻoihana cellulose ether ma nā ʻāina i kūkulu ʻia mai ka huahana a hiki i ka ʻenehana noi.
Ka manawa hoʻouna: ʻAukake-31-2023